A riddle

As you grow up you learn that to accomplish everything in life you will need to be immortal. You therefore seek the knowledge of the wise one on the steepest of mountains. Past dangerous mountains and vicious beasts you finally made it! You greet the wise one as you kneel before him. You tell him you seek the knowledge of immortality. The wise one requires you to answer 3 riddles to be granted the knowledge of how to become immortal. He gives you the instructions as follows: I will tell you three riddles, the first riddle must be solved first as it will give you a very important clue to the next riddle, the second riddle is not a clue to the third riddle.

Riddle #1

I is a very important letter, it comes before everything. C is not as important, nor is R.
But the X always marks the treasure of a treasuremap. What is my lucky number?


Riddle #2

32171029 1224212427 1828 1829 3025 17142714? (232429 3217182914)


Riddle #3

You are in a room, if you face west you can see a red room, if you face east you can see a green room. If you look into the green room you can see a blue room and then a red room. If you look north you can see a blue room. What color is the room you are standing in and how many rooms are there?

I know the answers to riddle 1 and 3.